The equation \(x^2 + y^2 - 2x - 4y +5 = 0\) represents
Question and options
The equation represents
- a pair of straight lines
- a circle
- an ellipse
- a point
Answer and explanation
Correct answer: D - a point
Completing squares: (x-1)^2+(y-2)^2 = 0, satisfied only by (1,2), so it is a point (circle of radius 0).
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